William L. Barney is Professor of History at the University of North Carolina at Chapel Hill. He is author of The Civil War and Reconstruction: A Student Companion (OUP, 2001), The Passage of the Republic, Battleground for the Union, Flawed Victory, The Secessionist Impulse, and The Road to Secession. He is coauthor of The American Journey, Second Edition, and editor of A Companion to 19th-Century America.